NEET 2016 Phase 2 · BiologyPrevious Year Question
In majority of angiosperms
Answer: (C) (C) Reduction division occurs in the megaspore. Answer: C.
- A.(A) Egg has a filiform apparatus
- B.(B) There are numerous antipodal cells
- C.(C) Reduction division occurs in the megaspore✓
- D.(D) A small central cell is present in the embryo sac
Correct Answer
(C) (C) Reduction division occurs in the megaspore
Solution & Explanation
Answer: C. By elimination this is the only acceptable choice: the filiform apparatus belongs to the synergids (not the egg), antipodals are only three (not numerous), and the central cell is large (not small). The intended point is that reductional (meiotic) division gives rise to megaspores — technically meiosis occurs in the megaspore mother cell. NCERT: Ch 1, p.9, lines 20-22 — "The process of formation of megaspores from the megaspore mother cell is called megasporogenesis. Ovules generally differentiate a single megaspore mother cell (MMC)"
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